Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components
Patent
1992-10-16
1996-02-06
McGinty, Douglas J.
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
Organic components
252 76, 252 73, 252 79, C09K 500
Patent
active
054893917
ABSTRACT:
A heat exchange inhibitor composition, characterized in that phosphates, amine salts, silicates, borates or nitrites are not necessary, and further characterized in that p-tert butyl benzoic acid and/or an alkali salt or salts thereof and a triazole are contained therein, which provides improved inhibitive abilities against metal corrosion, glycol oxidation and plugging of the circulation passages of a heat exchange system and further provides improved stability in hard water without forming chemical depositions and does not produce nitrosamines or form gel with other salts in the heat exchange fluid.
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Goto Hideki
Nawa Nobuyuki
C C I Co. Ltd.
Hanrath James P.
McGinty Douglas J.
Vigil Thomas R.
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